12420132441443 has 2 divisors, whose sum is σ = 12420132441444. Its totient is φ = 12420132441442.

The previous prime is 12420132441389. The next prime is 12420132441511. The reversal of 12420132441443 is 34414423102421.

12420132441443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12420132441443 - 2⁸ = 12420132441187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12420132641443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210066220721 + 6210066220722.

It is an arithmetic number, because the mean of its divisors is an integer number (6210066220722).

Almost surely, 2^{12420132441443} is an apocalyptic number.

12420132441443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12420132441443 is an equidigital number, since it uses as much as digits as its factorization.

12420132441443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 12420132441443 its reverse (34414423102421), we get a palindrome (46834555543864).

The spelling of 12420132441443 in words is "twelve trillion, four hundred twenty billion, one hundred thirty-two million, four hundred forty-one thousand, four hundred forty-three".